Zones: 5 to 8
Size: 6 to 8' tall, to 6' wide, 3' without inflorescences
Growth Rate: Moderate
Very narrow leaves, 20" long in large clumps. Semi-evergreen, cool season grass, with early summer inflorescences on very tall stems above the foliage. Needs very well-drained soil in hot humid climates. Best suited to cooler summers. Deer and rabbit resistant.
Native to Spain, Portugal and Morocco. RHS Award of Garden Merit in 2009.
Published in Bot. J. Linn. Soc. 144(4): 491 in 2004.
Accepted by ARS-Grin, Tropicos and ITIS but not by PlantList.
Basionym Stipa gigantea Link. Commonly still known as Stipa gigantea.